A report in the Journal of Consumer Behavior found that mothers become consumer doppelgangers of their stylish daughters far more often than daughters emulate their mothers. (Unless the mother is Yasmin Le Bon, who lets Amber plunder her cache of vintage Alaia and Giorgio SantAngelo dresses before events.)

[T]he impact adolescents have on their parents is much more profound than has been credited to them, Dr Ayalla Ruvio, a professor of marketing at Temple University in Philadelphia, wrote in her report. Children affect their parents' consumption behaviour with regard to the products that the parents themselves consume.

The copycat effect was particularly pronounced when mothers viewed their daughters as stylish. Daughters, on the other hand, weren't that thrilled about their mothers adopting their white jeans, Marc Jacobs handbags, leopard print, anything ever seen on Ke$ha, etc., no matter how down with the trends Mum may be.

There are a large group of women in their 40s who look like teenage girls when they go out, Ruvio told
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